| Acronym | Meaning |
 | GCL | Ground Control Landing |
 | MSOB | Manned Spacecraft Operations Building (O&C Preferred) |
 | PRN | Program Release Notice |
 | ERU | Earth Rate Unit |
 | CEI | Configuration End Item |
 | LAGS | Launch Abort Guide Simulation |
 | SDCS | SAIL Data Communications SYstem |
 | GT | Gyro Torque |
 | NORMAL | LoadNormal Load Factor (g) |
 | IH/SR | Integration Hardware And Software Review |